Pith Number

pith:ZXOMHGPW

pith:2021:ZXOMHGPWHOG5SIAC6ET7XIHOYW

not attested not anchored not stored refs pending

Noise and dose reduction in CT brain perfusion acquisition by projecting time attenuation curves onto lower dimensional spaces

(2) Department of Neuroradiology, Arnd Doerfler (2), Erlangen, Friedrich-Alexander-Universit\"at (FAU) Erlangen-N\"urnberg, Georg Rose (1) ((1) Institute for Medical Engineering, Germany, Germany), Magdeburg, Philip Hoelter (2), Research Campus STIMULATE, University Hospital Erlangen, University of Magdeburg, Vojt\v{e}ch Kulvait (1)

arxiv:2111.01922 v1 · 2021-11-02 · physics.med-ph · eess.IV

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ZXOMHGPWHOG5SIAC6ET7XIHOYW}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

✓ Portable graph bundle live · download bundle · merged state

The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Receipt and verification

First computed	2026-07-05T03:28:44.274456Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cddcc399f63b8dd92002f127fba0eec5ab59524ad686b6afcccb6e0f4500b4e2

Aliases

arxiv: 2111.01922 · arxiv_version: 2111.01922v1 · doi: 10.48550/arxiv.2111.01922 · pith_short_12: ZXOMHGPWHOG5 · pith_short_16: ZXOMHGPWHOG5SIAC · pith_short_8: ZXOMHGPW

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/ZXOMHGPWHOG5SIAC6ET7XIHOYW \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: cddcc399f63b8dd92002f127fba0eec5ab59524ad686b6afcccb6e0f4500b4e2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bf759e83db50818383828e254735030baacb442e2c1469e560d9e3867a0f1b1e",
    "cross_cats_sorted": [
      "eess.IV"
    ],
    "license": "http://creativecommons.org/licenses/by-sa/4.0/",
    "primary_cat": "physics.med-ph",
    "submitted_at": "2021-11-02T22:26:17Z",
    "title_canon_sha256": "7189efc136e946d89873c732ed7deea8425e639cd6307626293c7c319d1d094a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2111.01922",
    "kind": "arxiv",
    "version": 1
  }
}